Use QStringLiteral

src/utilities/imageutils.cpp

@@ -123,7 +123,7 @@ QImage ImageUtils::ScaleImage(const QImage &image, const QSize desired_size, con
 
 QImage ImageUtils::GenerateNoCoverImage(const QSize size, const qreal device_pixel_ratio) {
 
-  QImage image(":/pictures/cdcase.png");
+  QImage image(QStringLiteral(":/pictures/cdcase.png"));
   QSize scale_size(static_cast<int>(size.width() * device_pixel_ratio), static_cast<int>(size.height() * device_pixel_ratio));
 
   // Get a square version of the nocover image with some transparency: